package day0819;
import java.util.Scanner;

/**
 * @Author:galaxy_yan
 * @Date: 2022/8/20
 * @Time: 9:56
 * @Description
 */
class Data {
    private int x;
    private int y;
    public Data(int x, int y) {
        this.x = x;
        this.y = y;
    }
    public int getX() {
        return x;
    }
    public int getY() {
        return y;
    }
}


public class Main {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNextInt()) {

            int x = scanner.nextInt();

            int y = scanner.nextInt();

            Data data = new Data(x, y);

            System.out.println(data.getX() + data.getY());

        }

    }



}



